The three-star recruit was committed to the Nittany Lions since April 25.
The only Penn State coach to win the Dodd Trophy was Joe Paterno in 1981 and 2005.
Harley is ranked as the No. 2 player in the Washington, D.C. area.
Bright is the fourth offensive tackle to join the 2026 recruiting class.
Penn State football has the fourth-best odds to win next season's national championship, according to FanDuel Sportsbook.
Singleton joined Notre Dame running back Jeremiyah Love on the preseason First Team All-American list.